Konica Minolta 421

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PARTS GUIDE MANUAL  APRIL 2008 bizhub 421  A0R6 

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    PARTS GUIDE MANUAL

    APRIL 2008

    bizhub 421A0R6

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    04/16/2008

    INFORMATION FOR PARTS GUIDE MANUAL

    To find correct Parts No., refer to the HOW TO MAKE THE BEST USE OF THIS MANUAL in the following page.

    HOW TO MAKE THE BEST USE OF THIS MANUAL

    1 When you order, please check the proper figures beforehand that are on Our Parts Guide Manual, and order with the appropriate figures.

    2 For screws, Nuts, Washers, retaining rings and Pins which are used in this model, one letter is shown on the Standard parts column of Parts list and

    exploded diagrams.

    3 In order to maintain safety of the product, some specific parts composed of this product are set up as "essential safety parts".

    4 The assigned parts number for the "essential safety parts" is indicated as "SP00-****".

    When replacing these parts, follow precautions for disassembling and installing which are listed in the Service Manual.Do not use any parts that are not set up as

    5 means that there are exclusive parts for each destination.

    Please check the appropriate destination when you order.

    6 Revision Mark

    Marked as on the illustration shows that the revision has been made.

    7 All rights reserved. (any reprints or quotations are prohibited.)

    Use of this parts guide manual should be strictly supervised to avoid disclosure of confidential information.

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    SYSTEM OUTLINE

    15

    16 17

    1314

    12

    9

    10

    2

    1

    3

    4

    5

    86

    7

    11

    18 19 20 21

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    GENERAL CONTENTS

    No. Description Model

    1 DIGITAL MFP B/W bizhub 421

    2 DOCUMENT FEEDER DF-613

    3 PRINT CONTROLLER IC-2074 OTHER OPTION EK-703

    5 OTHER OPTION HD-509

    6 PAPER FEEDER PC-407

    7 PAPER FEEDER PC-206

    8 PAPER FEEDER LU-203

    9 OTHER OPTION RU-507

    10 SORTER/FINISHER FS-523

    11 STACKER JS-502

    12 OTHER OPTION OT-504

    13 OTHER OPTION OT-602

    14 SORTER/FINISHER FS-522

    15 SORTER/FINISHER MT-502

    16 SORTER/FINISHER SD-507

    17 PUNCH UNIT PU-501

    18 FAX CONTROLLER MK-70819 FAX CONTROLLER ML-503

    20 FAX CONTROLLER FK-502

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    DIAGRAMS OF MAIN PARTS SECTION

    4 3

    511

    2

    1

    18

    16

    19

    20

    8

    7

    17

    9

    15

    10

    1314

    12

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    CONTENTSNo. DESCRIPTION PAGE No.

    1 MAIN FRAME P1 P2 P3 P4

    2 EXTERNAL PARTS P5 P6

    3 OPERATION UNIT P7

    4 OPTICS UNIT P8 P9 P10

    5 WRITE UNIT P11

    6 DRIVING UNIT P12 P13 P14 P15 P167 DRUM CARTRIDGE P17 P18 P19 P20

    8 CHARGING UNIT P21

    9 TRANSFER SEPARATOR CORONA UNIT P22

    10 DEVELOPING UNIT P23 P24

    11 TONER SUPPLY UNIT P25 P26 P27 P28 P29

    12 DEVELOPING SUCTION UNIT P30

    13 PAPER FEED UNIT P31 P32 P33 P34

    14 MANUAL FEED UNIT P35 P36 P37

    15 REGISTRATION UNIT P38

    16 TURNOVER UNIT P39 P40

    17 CONVEYANCE UNIT P41

    18 CASSETTE P42

    19 AUTO DUPLEX UNIT P43 P44 P45 P46 P47 P48

    20 FIXING UNIT P49 P50 P51 P52 P53 P54

    21 ELECTRIC PARTS P55 P56 P57 P58

    22 WIRING P59 P60 P61 P62 P63 P64 P65 P66 P67 P68

    23 WIRING ACCESSORY AND JIGS P69 P70

    24 ACCESSORY PARTS P71

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    INDEXParts No. Page No.

    000V -18- 1 70-12

    000V -18- 2 70-12

    000V 1001 0 70-7

    000V 1002 0 70-8

    000V 1003 0 70-9

    000V 1004 0 70-10000V 1005 0 70-11

    00Z9 2450 8 69-20

    00Z9 2451 2 69-21

    00Z9 2452 4 69-22

    0294 2064 0 23-9

    0830 2014 0 6-20

    0928 3033 01 46-7

    0992 3014 01 42-36

    1052 4412 01 31-22

    1065 3086 01 31-19

    1065 3086 01 33-25

    1067 2501 01 31-27

    1067 2501 01 33-22

    1067 2502 01 36-26

    1067 2513 01 16-30

    1070 3072 01 31-21

    1075 2565 01 36-7

    1134 3041 01 33-10

    1134 3041 01 45-3

    1134 3042 02 37-20

    1136 2060 0 24-14

    1139 3169 01 40-1

    1149 3454 01 34-29

    1155 2518 01 16-28

    1164 2155 01 1-6

    1164 3065 01 54-21

    1200 2105 02 39-141200 5212 04 33-7

    1274 3603 01 42-29

    12QV 4066 0 38-18

    1300 3322 17 36-24

    13QA 1033 0 15-7

    13QA 7602 1 38-17

    13QA 8552 1 38-7

    13RN 7312 0 58-11

    1900 4141 0 12-6

    1900 4141 0 13-5

    1900 4141 0 14-4

    1900 4141 0 15-17

    1900 4142 0 14-61921 4171 0 51-3

    25AA 7553 0 47-16

    25HA 2510 0 21-2

    25HA 3215 2 26-6

    26NA -909 2E 11-2

    26NA -918 2E 18-6

    26NA -951 2E 10-20

    26NA 1240 1 6-22

    26NA 1255 0 5-11

    26NA 1520 0 13-24

    26NA 1560 0 13-4

    26NA 1728 0 12-3

    26NA 1728 0 13-19

    26NA 1728 0 15-2

    26NA 1728 0 16-6

    26NA 1757 0 15-10

    26NA 1758 0 13-21

    26NA 1759 0 15-11

    26NA 2014 0 20-9

    26NA 2016 0 20-14

    26NA 2017 0 20-15

    26NA 2020 0 18-8

    26NA 2022 0 20-7

    26NA 2024 2 17-6

    26NA 2025 0F 18-3

    26NA 2027 0 17-8

    26NA 2029 0 17-1226NA 2030 0 17-9

    26NA 2030 0 32-13

    26NA 2031 0 17-10

    26NA 2037 0D 19-10

    26NA 2038 0 19-7

    26NA 2042 0 19-5

    26NA 2048 0 18-2

    Parts No. Page No.

    26NA 2055 3 20-11

    26NA 2056 0 20-10

    26NA 2057 0 19-2

    26NA 2058 0 20-4

    26NA 2071 0 20-13

    26NA 2076 0D 19-426NA 2086 0D 19-11

    26NA 2087 0 19-13

    26NA 2092 0 19-1

    26NA 2095 0 18-7

    26NA 2107 0 19-9

    26NA 2116 0 20-8

    26NA 2128 0 19-19

    26NA 2133 0 18-9

    26NA 2134 0 17-2

    26NA 2136 0 17-20

    26NA 2136 0 24-21

    26NA 2138 0 17-5

    26NA 2140 0 17-14

    26NA 2142 0 17-13

    26NA 2143 0 17-17

    26NA 2144 0 17-22

    26NA 2517 0 21-11

    26NA 2518 0 21-9

    26NA 2608 0 22-3

    26NA 2623 0 22-5

    26NA 2625 0 22-11

    26NA 2626 0 22-12

    26NA 3009 0 24-8

    26NA 3021 1G 24-24

    26NA 3036 0 24-22

    26NA 3044 0 24-17

    26NA 3045 0 23-826NA 3047 0 23-2

    26NA 3049 0 23-1

    26NA 3063 0 24-23

    26NA 3065 0 24-16

    26NA 3066 0 24-15

    26NA 3070 0 24-13

    26NA 3072 0 23-4

    Parts No. Page No.

    26NA 3073 0 24-11

    26NA 3075 0 24-28

    26NA 3077 0 24-4

    26NA 3084 0 24-19

    26NA 3085 0 24-3

    26NA 3086 0 24-2526NA 3087 0 13-26

    26NA 3093 0 24-27

    26NA 3094 0 24-5

    26NA 3095 0 24-10

    26NA 3096 0 24-9

    26NA 3101 0 24-30

    26NA 3204 0 26-14

    26NA 3209 0 26-25

    26NA 3220 0 26-23

    26NA 3228 0 26-21

    26NA 3230 0 26-27

    26NA 3231 1E 25-16

    26NA 3242 0 25-14

    26NA 3243 0 26-28

    26NA 3254 0 26-22

    26NA 3255 0 26-24

    26NA 3256 0 26-9

    26NA 3259 0 25-12

    26NA 3266 0 25-6

    26NA 3268 0 25-4

    26NA 3269 0 26-29

    26NA 3287 0 27-9

    26NA 3290 0 26-26

    26NA 3291 0 26-16

    26NA 3292 0 26-17

    26NA 3293 0 26-15

    26NA 3294 0 25-1326NA 3295 0 25-15

    26NA 3296 0 26-7

    26NA 3297 0 26-13

    26NA 4082 0 38-12

    26NA 4256 0 47-17

    26NA 4507 1 41-10

    26NA 4514 1 38-23

    Parts No. Page No.

    26NA 4536 0 38-21

    26NA 4537 1 38-20

    26NA 4538 1 41-19

    26NA 4549 0 21-14

    26NA 4549 0 41-11

    26NA 4552 0 41-126NA 5037 0 12-21

    26NA 5321 1 50-17

    26NA 5329 0 51-12

    26NA 5346 0 51-6

    26NA 5349 0 54-9

    26NA 5359 0 12-22

    26NA 5359 0 13-20

    26NA 5361 0 54-8

    26NA 5362 0 49-8

    26NA 5371 2 49-5

    26NA 5372 0 49-6

    26NA 5374 0 49-17

    26NA 5377 0 49-19

    26NA 5384 0 51-11

    26NA 5403 0 50-1

    26NA 5414 0 51-25

    26NA 5419 0 51-24

    26NA 5423 0 49-18

    26NA 5423 0 50-3

    26NA 5424 0 51-10

    26NA 5428 0 50-16

    26NA 5429 0 51-7

    26NA 5430 0 54-12

    26NA 6115 0 9-6

    26NA 6130 0 9-4

    26NA 6131 0 10-17

    26NA 6134 0 10-2126NA 6137 0 10-14

    26NA 6138 0 10-4

    26NA 6139 0 10-23

    26NA 6141 0 10-22

    26NA 6153 1 10-5

    26NA 6154 0 10-7

    26NA 6155 1 10-12

    Parts No. Page No.

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    26NA 6156 0 10-3

    26NA 6159 0 10-13

    26NA 6160 0 10-8

    26NA 6161 0 10-6

    26NA 6173 2 8-1

    26NA 6175 1 10-26

    26NA 6181 2 8-4

    26NA 6184 0 10-3126NA 6194 0 10-2

    26NA 6206 0 10-18

    26NA 6213 0 5-10

    26NA 6216 0 8-14

    26NA 6228 0 8-5

    26NA 6232 0 10-32

    26NA 6239 1 10-11

    26NA 6245 1 8-13

    26NA 6528 0 4-2

    26NA 6529 0 4-1

    26NA 7325 1 22-9

    26NA 7325 1 56-17

    26NA 7357 0 58-1226NA 7373 2 57-1

    26NA 8006 1 25-5

    26NA 8251 3 25-11

    26NA 8804 1 23-10

    26NA 8846 1 57-6

    26NA 9019 1 59-1

    26NA 9031 1 62-9

    26NA 9035 1 59-2

    26NA JG01 1 70-6

    26NA R701 00 57-7

    26NA R702 00 13-3

    26NA R703 00 18-4

    26NA R704 00 17-23

    26NA R705 00 17-4

    26NA R706 00 18-5

    26NA R707 00 24-12

    26NA R708 00 23-3

    26NA R709 00 3-9

    26NA R710 00 12-19

    Parts No. Page No.

    26NA R711 00 10-1

    26NA R712 00 56-18

    26TA -235 0 19-17

    26TA -236 0 19-18

    26TA -237 1 19-22

    26TA 2032 0 17-7

    26TA 2053 1 19-15

    26TA 2088 1 19-1226TA 2146 0 19-26

    26TA 2147 0 19-25

    26TA 2148 0 19-24

    26TA 2149 0 19-23

    26TA 2151 0 20-6

    26TA 2154 0 19-16

    26TA 2161 1 19-20

    26TA 3258 0 25-7

    26TA 3261 0 25-10

    26TA 3264 0 25-8

    26TA 3296 0 27-2

    26TA 3297 0 27-3

    26TA 3298 0 27-626TA 3299 0 27-4

    26TA 3301 0 26-18

    26TA 6251 0 8-9

    26TA 6252 1 10-9

    26TA 6253 0 10-10

    26TA 8452 1 8-10

    26TA R701 00 19-21

    26TA R702 00 24-7

    27LA 5383 0 54-7

    27LA 5419 0 54-2

    27LA 5446 0 3-10

    27LA 7391 0 57-2

    27LA 7399 0 58-17

    27LA 8003 2E 12-1

    27LA 8051 1 57-3

    27LA 8803 1 56-9

    3920 4526 0 17-24

    4002 3108 01 42-37

    4002 3110 01 55-6

    Parts No. Page No.

    4002 3131 01 55-5

    4002 3779 01 39-17

    4002 7306 01 42-20

    4011 3012 01 55-1

    4011 3020 01 42-27

    4011 3021 01 42-26

    4011 5852 02 39-5

    4011 5852 02 45-124030 0151 01 32-15

    4030 0151 01 34-11

    4030 0207 04 39-16

    4030 0216 05 37-9

    4030 2005 02 1-16

    4030 2006 01 1-1

    4030 2007 01 1-13

    4030 2008 02 1-14

    4030 2009 01 3-3

    4030 2010 01 1-5

    4030 2011 01 1-3

    4030 2018 01 2-1

    4030 2022 01 48-64030 2023 01 48-8

    4030 2029 02 1-12

    4030 2038 02 1-11

    4030 2039 02 3-4

    4030 2041 02 1-8

    4030 2042 02 1-2

    4030 2062 01 3-2

    4030 2080 01 2-19

    4030 2081 01 1-15

    4030 3001 03 31-28

    4030 3002 02 31-10

    4030 3002 02 33-16

    4030 3003 01 31-12

    4030 3003 01 33-21

    4030 3004 01 31-20

    4030 3005 01 31-7

    4030 3005 01 33-13

    4030 3008 01 31-11

    4030 3008 01 33-17

    Parts No. Page No.

    4030 3010 02 33-37

    4030 3011 03 31-24

    4030 3011 03 33-27

    4030 3012 01 31-25

    4030 3012 01 33-28

    4030 3013 01 32-17

    4030 3013 01 34-9

    4030 3014 01 32-74030 3014 01 34-7

    4030 3016 12 31-30

    4030 3016 12 33-11

    4030 3017 03 32-6

    4030 3017 03 34-5

    4030 3018 01 33-6

    4030 3019 02 33-9

    4030 3021 01 33-36

    4030 3022 01 33-26

    4030 3023 03 31-15

    4030 3025 02 32-14

    4030 3025 02 34-17

    4030 3026 02 32-104030 3027 02 32-11

    4030 3030 01 31-18

    4030 3030 01 33-24

    4030 3031 01 33-8

    4030 3032 03 32-2

    4030 3034 01 31-8

    4030 3034 01 33-14

    4030 3036 01 31-13

    4030 3036 01 34-18

    4030 3037 01 32-12

    4030 3037 01 34-16

    4030 3039 01 32-18

    4030 3039 01 34-8

    4030 3041 02 31-4

    4030 3042 02 33-5

    4030 3046 03 55-16

    4030 3047 02 55-4

    4030 3048 02 55-13

    4030 3049 01 55-14

    Parts No. Page No.

    4030 3051 01 16-22

    4030 3052 01 16-25

    4030 3053 01 16-27

    4030 3054 01 16-29

    4030 3055 01 16-26

    4030 3057 01 16-19

    4030 3059 01 16-35

    4030 3060 01 16-344030 3063 01 33-35

    4030 3064 01 33-32

    4030 3067 01 16-21

    4030 3068 01 33-34

    4030 3069 01 33-33

    4030 3077 01 32-16

    4030 3077 01 34-10

    4030 3078 01 32-4

    4030 3078 01 34-3

    4030 3079 01 32-9

    4030 3079 01 34-2

    4030 3080 01 32-8

    4030 3081 01 55-104030 3083 01 55-12

    4030 3084 01 31-2

    4030 3085 01 31-16

    4030 3086 01 31-3

    4030 3087 01 31-1

    4030 3088 01 31-14

    4030 3091 01 55-2

    4030 3092 01 33-31

    4030 3093 01 36-17

    4030 3095 01 34-19

    4030 3105 01 34-12

    4030 3107 01 34-22

    4030 3108 01 32-1

    4030 3112 02 33-1

    4030 3114 02 34-23

    4030 3115 01 34-30

    4030 3116 01 34-24

    4030 3117 02 34-27

    4030 3121 01 34-34

    Parts No. Page No.

    2/8

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    4030 3122 01 34-33

    4030 3123 01 34-32

    4030 3124 03 34-13

    4030 3125 01 32-5

    4030 3125 01 34-14

    4030 3128 01 33-4

    4030 3129 03 34-15

    4030 3134 03 34-314030 3135 01 34-25

    4030 3201 09 42-12

    4030 3203 01 42-16

    4030 3205 01 42-35

    4030 3206 01 42-34

    4030 3207 01 42-25

    4030 3208 02 55-9

    4030 3211 02 42-8

    4030 3212 01 42-19

    4030 3214 02 42-21

    4030 3215 01 42-22

    4030 3216 01 42-32

    4030 3217 01 42-34030 3218 01 42-33

    4030 3222 03 42-24

    4030 3223 03 42-28

    4030 3224 02 42-41

    4030 3224 02 55-11

    4030 3226 01 42-30

    4030 3227 01 42-13

    4030 3228 12 42-11

    4030 3229 02 42-31

    4030 3401 13 36-22

    4030 3402 01 35-14

    4030 3403 01 35-15

    4030 3404 01 35-10

    4030 3412 01 37-7

    4030 3414 01 37-19

    4030 3415 02 37-18

    4030 3416 02 36-34

    4030 3417 01 36-25

    4030 3419 01 36-15

    Parts No. Page No.

    4030 3420 02 36-14

    4030 3422 01 36-20

    4030 3424 01 35-19

    4030 3427 01 36-23

    4030 3428 01 35-17

    4030 3429 02 36-1

    4030 3430 01 36-18

    4030 3432 07 36-354030 3434 01 36-4

    4030 3435 01 37-27

    4030 3436 01 37-13

    4030 3437 01 37-28

    4030 3438 01 35-23

    4030 3441 01 36-5

    4030 3444 01 36-29

    4030 3445 01 36-30

    4030 3446 01 37-17

    4030 3447 01 36-28

    4030 3448 01 35-20

    4030 3455 02 37-11

    4030 3456 01 35-54030 3457 03 35-18

    4030 3460 02 37-8

    4030 3463 01 37-10

    4030 3464 01 36-27

    4030 3465 01 36-31

    4030 3467 01 36-9

    4030 3472 01 37-14

    4030 3473 02 37-26

    4030 3474 01 35-13

    4030 3475 01 35-11

    4030 3476 01 35-4

    4030 3477 01 35-3

    4030 3478 02 36-11

    4030 3479 01 36-2

    4030 3481 01 35-24

    4030 3484 01 35-6

    4030 3486 01 37-1

    4030 3487 01 37-3

    4030 3489 01 35-16

    Parts No. Page No.

    4030 3492 01 35-12

    4030 3523 02 57-14

    4030 3524 01 57-15

    4030 3703 01 44-1

    4030 3707 01 46-8

    4030 3708 01 46-10

    4030 3709 01 46-15

    4030 3710 01 43-104030 3713 01 43-4

    4030 3725 01 43-14

    4030 3726 01 43-3

    4030 3733 03 43-11

    4030 3734 01 43-15

    4030 3735 01 44-3

    4030 3737 01 46-6

    4030 3738 03 46-5

    4030 3739 01 46-3

    4030 3740 01 46-14

    4030 3741 03 46-13

    4030 3742 01 46-12

    4030 3743 02 46-114030 3744 01 43-19

    4030 3745 01 43-21

    4030 3748 01 43-7

    4030 3749 01 43-5

    4030 3749 01 46-17

    4030 3750 01 46-16

    4030 3755 01 44-9

    4030 3760 01 46-2

    4030 3805 02 40-11

    4030 3806 02 45-9

    4030 3807 03 40-7

    4030 3808 01 40-12

    4030 3809 01 39-13

    4030 3810 01 39-12

    4030 3811 01 45-4

    4030 3812 01 45-5

    4030 3813 01 45-6

    4030 3814 01 45-7

    4030 3817 01 40-6

    Parts No. Page No.

    4030 3818 02 40-9

    4030 3819 01 40-10

    4030 3821 01 39-18

    4030 3823 01 40-8

    4030 3824 01 45-11

    4030 3825 02 45-10

    4030 3826 01 40-4

    4030 3829 01 45-84030 3834 01 39-19

    4030 5717 01 53-12

    4030 5750 03 53-2

    4030 5753 01 53-14

    4030 5802 01 52-15

    4030 5803 01 54-14

    4030 5805 03 52-11

    4030 5805 03 53-11

    4030 5806 01 52-12

    4030 5808 02 53-4

    4030 5809 02 53-7

    4030 5810 02 53-8

    4030 5811 01 54-154030 5812 01 52-16

    4030 5816 01 52-24

    4030 5817 02 52-25

    4030 5820 03 52-23

    4030 5821 02 52-22

    4030 5822 03 52-26

    4030 5823 01 52-2

    4030 5827 01 52-30

    4030 5827 01 53-3

    4030 5834 02 54-18

    4030 5836 01 52-19

    4030 5839 03 52-3

    4030 5840 02 52-17

    4030 5841 01 54-16

    4030 5842 01 52-33

    4030 5843 02 52-10

    4030 5844 02 52-18

    4030 5845 02 52-20

    4030 5847 01 52-1

    Parts No. Page No.

    4030 5848 01 52-14

    4030 5854 01 52-8

    4030 5855 01 52-6

    4030 5856 01 52-9

    4030 5856 01 53-9

    4030 5857 01 52-7

    4030 5858 01 52-5

    4030 6214 00 42-384030 6215 00 42-39

    4030 6810 02 68-3

    4030 6811 01 31-5

    4030 6812 02 67-1

    4030 6813 02 67-2

    4030 6814 03 68-1

    4030 6818 01 68-2

    4030 6824 01 59-4

    4030 7306 02 37-30

    4030 7307 02 37-30

    4030 7308 02 37-30

    4030 7315 01 1-4

    4030 R705 00 16-314030 R707 00 36-19

    4030 R708 00 36-6

    4034 0151 01 35-8

    4037 0104 01 55-3

    4037 0906 01 31-26

    4037 0906 01 33-3

    4037 0906 01 36-3

    4037 0906 01 37-21

    4037 0906 01 39-22

    4037 0906 01 55-7

    4037 3204 01 42-2

    4037 3213 12 42-14

    4037 6899 01 37-12

    4040 0780 01 57-5

    4040 3096 01 31-23

    4040 3096 01 33-29

    4040 3097 01 31-17

    4040 3097 01 33-23

    4040 3443 01 36-32

    Parts No. Page No.

    3/8

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    4040 3495 01 35-26

    4040 3496 01 35-25

    4040 3497 01 36-33

    4040 3833 02 39-4

    4040 5610 00 32-19

    4040 5610 00 34-6

    4040 5612 00 32-20

    4040 5612 00 34-44040 5758 01 51-21

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    Parts No. Page No.

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    A0R5 8130 00 44-10

    A0R5 8136 00 45-1

    A0R5 8137 00 43-8

    A0R5 8138 00 46-21

    A0R5 8206 00 46-1

    A0R5 8221 00 48-10

    Parts No. Page No.

    A0R5 8251 00 44-8

    A0R5 8703 00 39-20

    A0R5 8704 00 39-1

    A0R5 8705 00 39-3

    A0R5 8711 00 39-8

    A0R5 8820 00 39-7

    A0R5 9421 01 35-22

    A0R5 9421 01 44-11A0R5 9422 00 6-21

    A0R5 9426 00 5-12

    A0R5 9428 00 45-2

    A0R5 9430 00 37-24

    A0R5 9434 01 42-47

    A0R5 9435 01 42-46

    A0R5 A162 00 6-19

    A0R5 A620 02 42-18

    A0R5 H010 06 58-6

    A0R5 H030 00 8-20

    A0R5 M103 00 12-2

    A0R5 M103 00 13-1

    A0R5 M103 00 15-1A0R5 M710 00 7-26

    A0R5 N100 00 59-5

    A0R5 N101 00 59-6

    A0R5 N105 00 59-3

    A0R5 R700 00 11-1

    A0R5 R701 00 30-1

    A0R5 R703 00 35-27

    A0R5 R704 00 35-27

    A0R5 R705 00 35-27

    A0R5 R707 00 9-1

    A0R6 9451 01 6-25

    A0RA 1701 01 71-14

    SP00 -011 2 50-10

    V116 0306 03 71-12

    V121 0306 03 71-10

    V121 0308 04 71-11

    V123 0450 03 71-9

    V137 0308 04 71-8

    V500 0100 03 69-3

    Parts No. Page No.

    V500 0100 04 69-5

    V500 0100 05 69-26

    V500 0100 07 69-25

    V500 0100 08 69-2

    V500 0100 20 69-12

    V500 0100 22 69-1

    V500 0100 26 69-17

    V500 0100 28 69-18V500 0100 29 69-19

    V500 0100 35 69-38

    V500 0100 46 69-10

    V500 0100 47 69-33

    V500 0100 61 69-11

    V500 0200 05 69-14

    V500 0200 10 69-28

    V500 0200 27 69-40

    V500 0200 29 69-37

    V500 0200 55 69-39

    V501 0100 01 69-29

    V501 0100 06 69-27

    V501 0100 09 70-4V501 0100 12 69-32

    V502 0100 17 70-1

    V502 0100 44 69-34

    V502 0100 45 69-35

    V502 0100 46 69-36

    V502 0100 54 58-10

    V570 0100 07 69-15

    V570 0100 08 69-16

    V570 0100 12 69-23

    V570 0100 21 69-30

    V570 0100 23 69-6

    V570 0100 26 69-7

    V570 0100 27 69-8

    V570 0100 28 69-9

    V570 0100 31 69-31

    V570 0100 39 69-4

    V570 0100 50 69-13

    V590 0400 02 57-20

    V651 0100 01 69-24

    Parts No. Page No.

    7/8

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    V651 0100 05 70-2

    V651 0200 01 70-3

    Parts No. Page No.

    8/8

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    MAIN FRAME

    P 1a

    a

    a

    b

    c

    c

    c

    d

    e

    e

    e

    e

    e

    e

    f

    g

    g

    h

    h

    i

    8

    9

    9

    1010

    1

    2

    3

    4

    56

    7

    1111

    12

    13

    14

    15

    16

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    MAIN FRAMEKey Part No. Description Destinations Class QTY Standard parts

    1 4030 2006 01 REINFORCE PLATE D 1 a-V137 0306 03b-1079 2219 01c-V144 0306 03d-V121 0306 03e-V153 0410 03f-V153 0308 03g-V137 0408 03h-V116 0308 03i-V135 0310 03

    2 4030 2042 02 BRACKET D 1

    3 4030 2011 01 BRACKET D 1

    4 4030 7315 01 LABEL D 1

    5 4030 2010 01 BRACKET D 1

    6 1164 2155 01 C ONTACT C 1

    7 A0R5 1126 00 Support Part D 1

    8 4030 2041 02 BRACKET D 1

    9 4040 6205 00 Holder D 2

    10 4348 6206 00 Stop ring D 211 4030 2038 02 STOPPER D 2

    12 4030 2029 02 RAIL D 1

    13 4030 2007 01 REINFORCE PLATE D 1

    14 4030 2008 02 RAIL D 1

    15 4030 2081 01 SPACER D 1

    16 4030 2005 02 REINFORCE PLATE D 1

    Page. 1

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    MAIN FRAME

    P 2

    SW1

    TCT

    a a

    a

    b bb

    b

    6

    7 8

    e

    b

    b

    b

    b

    b

    b

    b

    d

    d

    d

    f

    g

    h

    ip

    k

    k

    r

    r

    m

    n

    c

    23

    10

    11

    121

    2

    3

    4

    5

    9

    21

    22

    13

    15

    14

    16

    17

    18

    19

    19

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    MAIN FRAMEKey Part No. Description Destinations Class QTY Standard parts

    1 4030 2018 01 BRACKET D 1 a-V144 0306 03b-V121 0306 03c-V137 0308 03d-V137 0306 03e-V121 0306 04f-V121 0314 03g-V151 0408 03h-V121 0304 03i-V153 0410 03k-V207 0300 01m-V123 0306 03

    n-V153 0408 03p-V144 0306 03r-V137 0310 03

    2 50GA 1013 0 READ MOUNTING PEDESTAL /LEFT D 1

    3 A0R5 1016 00 Board Mounting Stay /Rear D 1

    4 50GA 1030 0 EXTERNAL SUPPORT PLATE /1 D 1

    5 A0R5 1033 00 Holding Plate /C D 1

    6 A0R5 1017 00 Holding Plate /A D 1

    7 A02E 2639 00 Cord clamp D 1

    8 A0R5 1032 00 Holding Plate /B D 1

    9 50GA 5022 0 WIRE SUPPORT PART 4 C 1

    10 50GA 1014 0 READ MOUNTING PEDESTAL /RIGHT D 111 50GA 5019 0 WIRE SUPPORT PART 1 C 1

    12 50GA 1021 0 READ MOUNTING STAY D 1

    13 50GA 1015 0 BOARD MOUNTING STAY /RIGHT D 1

    14 50GA 1019 0 ADU LOCK PART/REAR C 1

    15 50GA 3074 0 DEVELOPING RAIL /LEFT D 1

    16 50GA 1018 0 ADU LOCK PART/ FRONT C 1

    17 50GA 1010 0 REINFORCE STAY /2 D 1

    18 A0R5 1137 00 Holder D 1

    19 4030 2080 01 RUBBER FOOT D 2

    20 A0R5 1012 01 Reinforce Stay /4 D 1

    21 50GA 1024 0 MOUNTING PLATE /1 D 1

    22 50GA 1011 0 REINFORCE STAY /3 D 1

    23 9332 5710 11 SWITCH C 1

    Page. 2

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    MAIN FRAME

    P 3

    SD4

    See Page.61

    a

    a

    a

    b

    b

    cd

    e

    e

    e

    e

    e

    f

    f

    f

    89

    10

    1

    2

    2

    3

    3

    4

    5

    6

    711

    12

    13

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    MAIN FRAMEKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 5039 0 ADU HOLDING SPRING C 1 a-V121 0306 03b-1079 2219 01c-V121 0304 03d-V217 0400 50e-V137 0306 03f-V151 0308 03

    2 4030 2062 01 BRACKET D 2

    3 4030 2009 01 GUIDE D 2

    4 4030 2039 02 BRACKET D 1

    5 50GA 5023 0 ADU STOPPER WIRE C 1

    6 50GA 5020 0 WIRE SUPPORT PART 2 C 1

    7 50GA 5024 0 WIRE SUPPORT PART 5 C 1

    8 50GA 5021 0 WIRE SUPPORT PART 3 C 1

    9 26NA R709 00 ADU SOLENOID SHAFT ASSY D 1

    10 27LA 5446 0 SOLENOID STOPPER D 111 50GA -550 0 SOLENOID MOUNTING PLATE CAULKI D 1

    12 50GA 5366 0 SOLENOID ACTUATOR C 1

    13 50GA 3071 0 DEVELOPING RAIL /RIGHT D 1

    Page. 3

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    MAIN FRAME

    P 4

    FM2

    FM8

    aa

    a

    a

    aa

    ab

    cc

    c c

    d

    d

    e

    8

    8

    9

    9

    10

    10

    1

    1

    2

    2

    3

    4

    5

    6

    6

    7

    7

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    bizhub 421

    MAIN FRAMEKey Part No. Description Destinations Class QTY Standard parts

    1 26NA 6529 0 WRITING MOUNT SPRING D 2 a-V121 0306 03b-V121 0306 04c-V151 0308 03d-V121 0320 03e-V137 0306 03

    2 26NA 6528 0 WRITING MOUNT PART D 2

    3 50GA 1023 0D Guide Part /F D 1

    4 50GA 1007 0E Reinforce Stay /B D 1

    5 50GA 1006 0 SUPPLY STAY /A D 1

    6 50GA 8051 0 COOLING FAN MOTOR C 2

    7 50GA 5467 0 FAN MOUNTING PLATE D 2

    8 50GA 5466 0 ROLLER COOLING DUCT 4 D 2

    9 50GA 5465 0 ROLLER COOLING DUCT 3 D 2

    10 50GA 5468 0 SEALING PART D 2

    Page. 4

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    EXTERNAL PARTS

    P 5

    SILB

    a

    ab

    b

    b

    b

    c

    c

    c

    c

    c

    8

    9

    10

    1 2

    23

    4

    5

    56

    7

    18

    11

    12

    13

    14

    1516

    17

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    EXTERNAL PARTSKey Part No. Description Destinations Class QTY Standard parts

    1 A00J 1689 02 Light blocking Plate C 1 a-V121 0306 03b-V151 0308 03c-V121 0306 04

    2 A00J 1682 02 Lens /B C 2

    3 A00J 1685 02 Light blocking Cover /C D 1

    4 A00J H00E 00 PWB Assembly LED2 I 1

    5 A00J 1691 00 Cover C 2

    6 A0R5 1604 00 Cover /Rear C 1

    7 A0R5 1624 00 Read Cover /Left C 1

    8 A0R5 1623 00 Read Cover /Rear C 1

    9 50GA 6182 0 ADF DETECTION ACTUATOR C 1

    10 26NA 6213 0 DETECTING SPRING C 111 26NA 1255 0 SPRING REGULATING SHEET C 1

    12 A0R5 9426 00 Label C 1

    13 A0R5 1625 00 Read Cover /Right C 1

    14 A0R5 1621 00 Part /Front D 1

    15 A0R5 1713 00 Mounting Plate /2 D 1

    16 A0R5 1707 01 Read Cover /Front C 1

    17 A0R5 1682 01 Guide C 1

    18 A0R5 1681 01 Cover C 1

    Page. 5

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    EXTERNAL PARTS

    P 6

    a

    a

    a

    a

    b

    b

    b

    c

    d

    d

    d

    e

    e

    f

    f

    f

    g

    g

    g

    g

    h

    h

    hi

    j

    j

    k

    k

    k

    8

    9

    10

    1

    2

    3

    4

    5

    5

    6 7

    1819

    20

    11

    12

    1314

    15

    16

    17

    21

    2223

    24

    25

    26

    26

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    EXTERNAL PARTSKey Part No. Description Destinations Class QTY Standard parts

    1 A0R5 1675 01 Operation Cover /Left C 1 a-V121 0310 03b-V211 0300 80c-V137 0306 04d-V137 0310 04e-V121 0308 04f-V121 0306 03g-V121 0306 04h-V137 0308 04i-V209 0300 03

    j-V145 0308 03k-V151 0308 03

    2 A0R5 1678 01 Operation Cover /3 C 1

    3 A0R5 1674 00 Operation Cover /Right C 1

    4 A0R5 1605 00 Cover /Left C 1

    5 A0R5 1762 00 Handle D 2

    6 A0R5 1607 00 Cover /1 C 1

    7 A0R5 1708 01 Cover C 1

    8 A0R5 1364 00 Cover D 1

    9 A0R5 1363 00 Cover D 1

    10 A0R5 1603 00 Rear Cover /Right C 111 A0R5 1715 00 Cover C 1

    12 A0R5 1761 01 Cover C 1

    13 A0R5 1714 00 Cover /2 C 1

    14 A0R5 1716 00 Auxiliary Cover /1 C 1

    15 A0R5 1601 00 Main body Cover /Front C 1

    16 A0R5 1679 00 Plate D 1

    17 A0R5 1676 00 Cover C 1

    18 A0R5 1711 00 Paper exit Cover /A C 1

    19 A0R5 A162 00 FULCRUM PLATE ASSY D 1

    20 0830 2014 0 STOPPER MATERIAL C 1

    21 A0R5 9422 00 Label C 1

    22 26NA 1240 1 MAGNET PRESSURE PLATE D 1

    23 A0R5 1608 00 Cover C 1

    24 A0R5 1719 00 Cover C 1

    25 A0R6 9451 01 Label C 1

    26 A0R5 1634 00 Front Lifting Handle C 2

    Page. 6

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    OPERATION UNIT

    P 7

    A

    A

    LCDBLCD

    PWB4

    PKB

    OB INVB

    SW2

    PWB3

    k

    k

    nih

    h

    g

    b

    b

    b

    f

    m

    m

    be

    d

    dd

    b

    c

    b

    b

    a

    9

    1

    30

    2 7

    6

    118

    23

    26

    28 29

    27

    25

    5

    4

    22

    15

    10

    20

    21

    17

    19

    18

    16

    12

    13

    24

    14

    10

    3

    3

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    OPERATION UNITKey Part No. Description Destinations Class QTY Standard parts

    1 A02E 1928 01 Stay D 1 a-V116 0306 03b-V137 0306 03c-V217 0500 01d-V217 0300 01e-V153 0308 03f-V137 0308 03g-V205 0600 03h-V136 0308 03i-V195 0600 03k-V121 0306 03m-9646 0308 14

    n-9735 0306 14

    2 A02E 1934 00 Shoulder screw C 1

    3 A02E 1930 00 Washer C 2

    4 A02E 1916 01 Bracket D 1

    5 A02E 1913 02 Arm D 1

    6 A0R5 2651 00 Auxiliary Plate /A D 1

    7 A02E 1911 00 Bracket D 1

    8 A02E 1931 01 Collar D 1

    9 A02E 1927 01 Torsion Spring C 1

    10 A00J 1919 00 Washer C 211 A02E 1914 02 Arm D 1

    12 A02E 1915 02 Bracket D 1

    13 A02E 1933 00 Shoulder screw C 1

    14 A02E 1932 01 Reinforce Plate D 1

    15 A02E 1917 01 Collar D 1

    16 A02E 1912 00 Bracket D 1

    17 A02E 1918 00 Stay D 1

    18 A02E 1694 00 Cover C 1

    19 A02E 1924 00 Bracket D 1

    20 A02E 1921 01 Bracket D 1

    21 A02E 1926 01 Pulling Spring C 1

    22 A02E 1683 00 Cover C 1

    23 A02E 1925 00 Handle C 1

    24 A02E 1923 01 Lever C 1

    25 A02E 1922 01 Lever C 1

    26 A0R5 M710 00 Panel assembly I 1

    27 A02E 9481 00 Panel sheet A C 1

    27 A02E 9482 00 Panel sheet B,D1,D3,E,F2,G1,G2,I,K C 127 A02E 9483 00 Panel sheet C C 1

    28 A02E 9490 00 Panel sheet A C 1

    28 A02E 9491 00 Panel sheet B,D1,D3,E,F2,G1,G2,I,K C 1

    29 A02E 9486 00 Panel sheet A C 1

    29 A02E 9487 00 Panel sheet B,D1,D3,E,F2,G1,G2,I,K C 1

    30 A02E 9494 00 Panel sheet B,G2 C 1

    Page. 7

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    OPTICS UNIT

    P 8

    PS32

    CCDB

    SW3

    NF

    A

    A

    SP

    USBIFB

    a

    b

    a

    2

    3

    1

    5

    4

    a

    d

    d

    a

    d

    a

    a13

    12

    12

    11

    6

    7

    8

    9

    10

    14 c1513

    e

    e

    f

    e

    g a

    e

    21

    18

    19

    20

    17

    16

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    bizhub 421

    OPTICS UNITKey Part No. Description Destinations Class QTY Standard parts

    1 26NA 6173 2 LENS COVER C 1 a-V121 0306 03b-V118 0320 03c-V121 0304 04d-V123 0306 03e-V118 0306 03f-V111 0206 03g-V121 0308 03

    2 40LA 6114 0 MOUNTING PLATE D 1

    3 56AA 8553 1 APS SENSOR 2 B 1

    4 26NA 6181 2 WIRING GUIDE PLATE 1 D 1

    5 26NA 6228 0 WIRING HOLD PART 1 D 1

    6 A0R5 2654 00 Auxiliary Plate /C D 1

    7 A0R5 2653 00 Auxiliary Plate /B D 1

    8 A0R5 2657 00 Auxiliary Plate /D D 1

    9 26TA 6251 0 FIXING SEAL C 1

    10 26TA 8452 1 NOISE FILTER /1 C 111 50GA -626 1 CCD UNIT I 1

    12 40LA 6174 1 SCREW FIXING PLATE D 2

    13 26NA 6245 1 EARTH SPRING 3 D 2

    14 26NA 6216 0 GLASS HOLDING PLATE C 1

    15 56UA 9792 0 HIGE VOLTAGE CAUTION LABEL C 1

    16 A0R5 2650 00 Mounting Plate /A D 1

    17 9334 2610 12 REED SWITCH C 1

    18 A0R5 1389 01 Label D 1

    19 A0R5 1388 00 Plate D 1

    20 A0R5 H030 00 I/F BOARD/H ASSY C 1

    21 9373 2200 11 LOUDSPEAKER D 1

    Page. 8

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    OPTICS UNIT

    P 9

    PS30PS31

    L1 INVB

    SDB

    M2

    See Page.62

    1

    b

    aa

    a

    d

    2

    3

    6

    5

    4

    b

    ac

    8 10

    9

    7

    a

    11

    ea

    a 17

    12

    aa

    15

    18

    16

    19

    14

    13

    a

    20

    21

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    bizhub 421

    OPTICS UNITKey Part No. Description Destinations Class QTY Standard parts

    1 A0R5 R707 00 ORIGINAL TABLE GLASS ASSY C 1 a-V121 0306 03b-V121 0304 04c-V118 0310 03d-V123 0306 03e-V123 0308 03

    2 50GA 6252 0 ADF CONNECTOR /1 D 1

    3 50GA 6111 0 ADF MOUNTING PLATE /LEFT D 1

    4 26NA 6130 0 GLASS HOLDER PLATE FRONT C 1

    5 50GA -628 0 ORIGINAL TABLE GLASS ASSY 2 C 1

    6 26NA 6115 0 GLASS HOLDER PLATE REAR C 1

    7 56AA 8551 1 PHOTO SENSOR B 1

    8 9335 1300 61 PHOTO INTERRUPTER B 1

    9 40LA 6201 0 WIRING GUIDE PART 3 D 1

    10 50GA 6214 0 MOUNTING PLATE /2 D 111 50GA 6251 0E Board Mounting Plate /No.1 D 1

    12 40LA 8351 3 LAMP STARTER B 1

    13 50GA -905 0 SCANNER DRIVE BOAD ASSY I 1

    14 50GA 6112 0 ADF MOUNTING PLATE /RIGHT D 1

    15 50GA 6211 0 WIRING GUIDE PLATE 2 D 1

    16 40LA 6116 1E Motor Mounting Plate D 1

    17 50GA 8002 0 SCANNER DRIVE MOTOR C 1

    18 40LA 6246 0 MOTOR TENSION SPRING 1 C 1

    19 50GA 6259 0 WIRING HOLDING PART /2 D 1

    20 50GA 6212 0 WIRING GUIDE PLATE 3 D 1

    21 50GA 6258 0 WIRING HOLDING PART /1 D 1

    Page. 9

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    OPTICS UNIT

    P 10

    BB

    L1

    L1 RLB,

    ,

    ,

    1f

    a2

    2

    22

    a

    h

    3

    4

    i

    5

    a

    a

    f

    8

    78

    6

    79 10

    9 10

    9 10

    6

    11

    13

    4

    g

    ig

    12

    i

    14

    m

    16

    b

    g

    2

    a

    30

    31

    31

    32

    32

    30

    a2

    2

    2

    aa

    20

    19

    b

    g

    me

    22

    18

    h

    k

    15

    23

    21

    224

    17

    h

    24 d

    db

    2526

    n

    b25

    28d

    d

    c

    24

    29

    27

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    bizhub 421

    OPTICS UNITKey Part No. Description Destinations Class QTY Standard parts

    1 26NA R711 00 MIRROR MOUNT PLATE 2 ASSY D 1 a-V217 0400 50b-V217 0600 50c-V233 3018 50d-V193 0406 04e-V121 0304 03f-V118 0310 03g-V123 0306 03h-V123 0308 03i-V226 0300 50k-V151 0306 03m-V118 0303 03

    n-V121 0304 04

    2 26NA 6194 0 BEARING C 8

    3 26NA 6156 0 OPTICS SLIDE PLATE FRONT D 1

    4 26NA 6138 0 SLIDE PART D 3

    5 26NA 6153 1 MIRROR SUPPORT PLATE FRONT D 1

    6 26NA 6161 0 MIRROR PRESSURE SPRING 4 C 2

    7 26NA 6154 0 OPTICS MIRROR 2 C 2

    8 26NA 6160 0 MIRROR PRESSURE SPRING 3 C 2

    9 26TA 6252 1 MIRROR REINFORCE PART 1 D 3

    10 26TA 6253 0 STICKING PART1 D 3

    11 26NA 6239 1 MIRROR SUPPORT PLATE REAR D 1

    12 26NA 6155 1 OPTICS SLIDE PLATE REAR D 1

    13 26NA 6159 0 WIRING GUIDE PART 2 D 1

    14 26NA 6137 0 REFLECT MIRROR C 1

    15 40LA 8301 1 EXPOSURE LAMP A 1

    16 50GA 6122 0 OPTICAL WIRE FRONT C 1

    17 26NA 6131 0 MIRROR MOUNT PLATE 1 C 1

    18 26NA 6206 0 MIRROR ADJUSTING SCREW D 1

    19 40LA 6121 0 OPTICS WIRE REAR C 1

    20 26NA -951 2E POWERING BOARD ASSY C 1

    21 26NA 6134 0 OPTICS MIRROR 1 C 1

    22 26NA 6141 0 MIRROR PRESSURE SPRING B 2

    23 26NA 6139 0 WIRING GUIDE PART 1 D 1

    24 50GA 6120 0 WIRE DRIVE PULLEY C 2

    25 56QA 7507 0 BEARING/8 C 2

    26 26NA 6175 1 PULLEY FIXED PLATE D 1

    27 40LA 6193 0 MOTOR BELT 160L C 1

    28 40LA 6192 0 DRIVING PULLEY 55T C 129 40LA 6119 0 DRIVE SHAFT D 1

    30 40LA 6183 0 OPTICS SLIDE SHEET 1 D 2

    31 26NA 6184 0 OPTICS SLIDE SHEET 2 C 2

    32 26NA 6232 0 READING SEAL/7 D 2

    Page. 10

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    WRITE UNIT

    P 11

    INDEXB

    a

    1

    2

    3

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    WRITE UNITKey Part No. Description Destinations Class QTY Standard parts

    1 A0R5 R700 00 Write Unit B 1 a-V151 0308 03

    2 26NA -909 2E INDEX ASSY I 1

    3 40LA 6526 0 WRITING CLEANER KNOB C 1

    Page. 11

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    DRIVING UNIT

    P 12

    M1

    M11

    e

    e

    b

    b

    b

    a

    a

    b

    db

    c

    c

    f

    e

    cb

    c

    b

    a

    b

    dg

    b

    bbb

    2

    1

    3

    3

    4

    3

    5 6 6

    6

    15 14

    17

    1920

    26

    22

    21

    24

    25

    23

    27

    16

    18

    13

    1211

    12

    10

    9

    87

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    bizhub 421

    DRIVING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 27LA 8003 2E DC BRUSHLESS MOTOR/30 C 1 a-V121 0304 03b-V217 0400 50c-V237 2012 50d-V121 0306 03e-V217 0600 50f-V123 0306 03g-V123 0408 03

    2 A0R5 M103 00 DC Brushless motor /30 C 1

    3 26NA 1728 0 BALL BEARING C 3

    4 50GA 1566 0 DRIVE PULLEY UPPER 40T C 1

    5 50GA 1550 0 GEAR A 100T 30T C 1

    6 1900 4141 0 PLYSLIDER 6 C 3

    7 50GA 1552 0 GEAR C 102T 35T C 1

    8 50GA 1856 0 CONVEYANCE GEAR A 50T 27T C 1

    9 50GA 1857 0 CONVEYANCE GEAR B 41T 27T C 1

    10 50GA 1858 0E CONVEYANCE GEAR /C 31T C 1

    11 50GA 1506 0 DRIVE PANEL /F D 1

    12 4660 7602 0 PAPER FEED SHAFT HOLDER B 2

    13 50GA -183 0 SHAFT ASSY D 1

    14 50GA 1553 0 GEAR D 45T C 1

    15 50GA 1554 0 GEAR E 35T C 1

    16 50GA 1561 0E GEAR /I 31T C 1

    17 50GA 1522 0E Idling Shaft /B D 1

    18 50GA -157 0 RU DRIVE ASSY C 1

    19 26NA R710 00 TENSION PLATE CAULKING D 1

    20 50GA 1545 0 TENSION SPRING C 1

    21 26NA 5037 0 IDLER PULLEY 18T C 1

    22 26NA 5359 0 BALL BEARING A 1

    23 50GA 1565 0 DEVELOPING DRIVE PULLEY LOWER 45T C 1

    24 50GA 2104 00 Stopper Plate D 1

    25 50GA 1541 0 BELT 296L C 1

    26 50GA 1547 0 DRIVE PANEL /I D 1

    27 50GA -189 0 DRUM ROTATION PLATE ASSY C 1

    Page. 12

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    DRIVING UNITP 13

    M9

    ee

    a

    e f

    f

    f

    g

    g

    d

    c

    eb

    b

    e

    g

    b

    8

    718

    65

    7

    20

    24

    26

    27

    23

    25

    16

    10

    11

    12

    17

    9

    2

    1

    3

    4

    19

    21

    22

    1413

    15

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    bizhub 421

    DRIVING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 A0R5 M103 00 DC Brushless motor /30 C 1 a-V121 0304 03b-V121 0306 03c-V221 0300 50d-V217 0300 50e-V217 0400 50f-V217 0600 50g-V237 2012 50

    2 50GA -155 0 DUMPER PLATE ASSY C 1

    3 26NA R702 00 DRIVE PLATE COMBINED C 1

    4 26NA 1560 0 DRUM DRIVING GEAR 108T C 1

    5 1900 4141 0 PLYSLIDER 6 C 1

    6 50GA 1551 0 GEAR B 105T C 1

    7 4660 7602 0 PAPER FEED SHAFT HOLDER B 2

    8 50GA -160 1E CAULKING ASSY D 1

    9 50GA 1518 1E Agitating Shaft D 1

    10 50GA 1560 0 GEAR H 19T 26T C 1

    11 50GA 1556 0 AGITATING GEAR UPPER 17T 30T C 1

    12 50GA 1559 0 GEAR G 22T C 1

    13 50GA 1563 0 GEAR K 23T C 1

    14 50GA 1564 0 GEAR L 28T C 1

    15 50GA 1562 0 GEAR J 21T C 1

    16 50GA 1555 0 COLLECTION GEAR 20T C 1

    17 50GA 1557 0 AGITATING GEAR 21T C 1

    18 50GA 1503 0 DRIVE PANEL /C D 1

    19 26NA 1728 0 BALL BEARING C 1

    20 26NA 5359 0 BALL BEARING A 1

    21 26NA 1758 0 AGITATING COUPLING B C 1

    22 50GA -159 0 DRUM DRIVE ASSY C 1

    23 50GA 1548 0 PRESSING PART D 1

    24 26NA 1520 0 COUPLING SPRING B 1

    25 50GA -154 0 SHAFT ASSY D 1

    26 26NA 3087 0 SPRING SPACER C 1

    27 50GA -153 0 DRUM INPUT SHAFT ASSY C 1

    Page. 13

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    DRIVING UNIT

    P 14

    b

    b

    c

    c

    b

    d

    b

    a

    b

    b

    9

    8

    4

    7

    3

    2

    1

    5

    4

    6

    6

    4

    16

    17

    18

    4

    4

    4

    14

    1415

    19

    13

    12

    11

    10

    bizhub 421

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    bizhub 421

    DRIVING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 1605 0 PAPER FEED PROTECTION PANEL D 1 a-9735 0306 14b-V121 0306 03c-V217 0400 50d-V217 0600 50

    2 50GA 1613 0 PAPER FEED GEAR C 38T C 1

    3 50GA 1619 1 ADU INPUT GEAR 49T 28T C 1

    4 1900 4141 0 PLYSLIDER 6 C 6

    5 50GA 1611 0 PAPER FEED GEAR A 32T C 1

    6 1900 4142 0 POLYSLIDER 8 C 2

    7 50GA 1612 0 PAPER FEED GEAR B 27T C 1

    8 50GA 4569 1E CONVEYANCE EARTH PLATE D 1

    9 50GA -164 1F CAULKING ASSY D 1

    10 50GA -168 0E CAULKING ASSY D 1

    11 50GA 1616 0 PAPER FEED GEAR F 21T 23T C 1

    12 50GA 1617 0 PAPER FEED GEAR G 26T 19T C 1

    13 50GA -165 0E CAULKING ASSY D 1

    14 50GA 2501 00 SPACER C 2

    15 50GA 1620 0E PAPER FEED GEAR /I 20T C 1

    16 50GA 1614 0E PAPER FEED GEAR /D 19T C 1

    17 50GA 1618 0F PAPER FEED GEAR /H 28T C 1

    18 50GA -167 0F CAULKING ASSY D 1

    19 50GA 1610 0 PAPER FEED DRIVE GEAR 62T 29T C 1

    Page. 14

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    DRIVING UNIT

    P 15

    M3

    e

    d

    b

    a

    d

    b

    b

    b

    d

    c

    e

    6 2

    8

    7

    9

    11

    4

    2

    5

    16

    13

    17

    15

    12

    143

    1

    10

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    bizhub 421

    DRIVING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 A0R5 M103 00 DC Brushless motor /30 C 1 a-V121 0304 03b-V121 0306 03c-V221 0400 50d-V217 0400 50e-V237 2012 50

    2 26NA 1728 0 BALL BEARING C 2

    3 50GA -171 0 CAULKING ASSY D 1

    4 40LA 1754 0 DEVELOPING DRIVE GEAR 6 32T C 1

    5 40LA 1755 0 DEVELOPING DRIVE GEAR 7 39T C 1

    6 50GA -173 0E CAULKING ASSY D 1

    7 13QA 1033 0 SHAFT SPACER C 1

    8 50GA 1760 1E Developing Drive Shaft D 1

    9 40LA 1756 0 DEVELOPING INPUT COUPLING A C 1

    10 26NA 1757 0 DEVELOPING INPUT COUPLING B C 1

    11 26NA 1759 0 SPACER B C 1

    12 50GA 1703 0 DUST PROOF COVER C 1

    13 50GA -172 0 CAULKING ASSY D 1

    14 50GA 1752 0 DEVELOPING DRIVE GEAR 2 27T B 1

    15 50GA 1753 0 DEVELOPING DRIVE GEAR 3 25T 28T B 1

    16 50GA 1751 0 DEVELOPING DRIVE GEAR 1 52T 26T B 1

    17 1900 4141 0 PLYSLIDER 6 C 1

    Page. 15

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    DRIVING UNIT

    P 16

    CL4

    h

    h

    e

    e

    e

    c

    b

    b

    f

    a

    e

    d

    ee

    g

    e

    e

    e

    e

    h

    hh

    hk

    k

    i

    i

    3

    9

    10

    8

    5

    4

    1

    17

    18

    15

    16

    19

    20

    20

    14

    22

    2325

    29

    27

    27

    26

    26

    2124

    11

    12

    13

    7

    77

    7

    7

    7

    7

    7

    6

    2

    33

    34

    35

    32 31

    28

    30

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    bizhub 421

    DRIVING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 1851 0 FIXING GEAR A 80T B 1 a-9646 0306 13b-9646 0306 14c-9646 0308 14d-9721 0400 01e-4425 3001 01f-9735 0306 14g-9743 0408 14h-V121 0306 03i-V217 0400 50k-V237 2012 50

    2 50GA 1509 1 DRIVE PRESSING STAY D 1

    3 50GA -186 1G CAULKING ASSY C 1

    4 50GA 1811 1G FIXING INPUT SHAFT C 1

    5 50GA 1852 3I Fixing Gear/B 18T B 1

    6 26NA 1728 0 BALL BEARING C 1

    7 40LA 1740 0 DRIVING SPACER 1 C 8

    8 50GA 1853 2G Fixing Gear/C 19T B 1

    9 50GA 1841 0 FIXING SWING SPRING C 1

    10 50GA 1822 0D Fixing Idling Shaft C 1

    11 50GA 1843 0 FIXING PRESSING SPRING C 112 50GA 1842 0 LEVER PRESSING SPRING D 1

    13 50GA 1855 2G Fixing Gear/E 18T B 1

    14 50GA 1824 1E Fixing Idling Shaft /2 D 1

    15 50GA 1507 0F Drive Panel /G D 1

    16 50GA 1859 2G Fixing Gear /F 19T B 1

    17 50GA 1854 2G Fixing Gear/D 19T B 1

    18 50GA 1504 0E Drive Panel /D D 1

    19 4030 3057 01 SHAFT D 1

    20 4131 3003 01 BUSHING C 2

    21 4030 3067 01 SHAFT D 1

    22 4030 3051 01 BRACKET D 1

    23 50GA -169 2 LOWER PAPER FEED DRIVE ASSY C 1

    24 9322 1500 12 CLUTCH C 1

    25 4030 3052 01 BRACKET D 1

    26 4030 3055 01 COLLAR C 2

    27 4030 3053 01 PULLEY 28/36T C 2

    28 1155 2518 01 PULLEY C 129 4030 3054 01 TIMING BELT 324L C 1

    30 1067 2513 01 PULLEY C 1

    31 4030 R705 00 BRACKET ASSY C 1

    32 50GA 1640 1E Paper feed Gear 19T 33T C 1

    33 50GA -176 0 PAPER FEED STAKE ASSY D 1

    34 4030 3060 01 GEAR 30T C 1

    35 4030 3059 01 GEAR 24T C 1

    Page. 16

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    DRUM CARTRIDGE

    P 17

    SD2

    See Page.64

    See P17P18

    P19

    P20

    a

    b

    c

    c

    d

    de

    f

    g

    h

    8

    9

    9

    10

    10

    1

    2

    34

    5

    5

    6

    7

    7

    7

    7

    7

    77

    7

    7

    777

    7 7

    1819

    20

    11

    12

    13

    14

    14

    15

    1516

    1617

    2122

    23

    24

    24

    24

    25

    25

    26

    27

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    bizhub 421

    DRUM CARTRIDGEKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 9795 1E Toner Indicating Label C 1 a-V121 0304 04b-V121 0308 03c-V121 0306 03d-V118 0306 03e-V151 0308 03f-V217 0400 50g-V121 0310 04h-V233 2012 50

    2 26NA 2134 0 DRUM ROTARY PART C 1

    3 50GA 2035 0E CARTRIDGE COVER /FRONT C 1

    4 26NA R705 00 SEPARATE SORENOID ASSY C 1

    5 26NA 2138 0 SOLENOID SEAL C 2

    6 26NA 2024 2 SEPARATE GUIDE PLATE C 1

    7 26TA 2032 0 SEPARATE AUXILIARY ROLLER C 14

    8 26NA 2027 0 SEPARATE RELEASE LEVER C 1

    9 26NA 2030 0 SEPARATE ROCKING COLLAR C 2

    10 26NA 2031 0 SEPARATE ROCKING SCREW C 2

    11 40AA 2023 0 SEPARATOR RELEASE SPRING C 112 26NA 2029 0 SEPARATE ROCKING SPRING C 1

    13 26NA 2142 0 PAPER GUIDE SHEET C C 1

    14 26NA 2140 0 PAPER GUIDE SHEET A C 2

    15 50GA -218 0 SEPARATING CLAW ASSY C 2

    16 40AA 2017 0 SEPARATOR FULCRUM SHAFT C 2

    17 26NA 2143 0 PAPER GUIDE SHEET D C 1

    18 50GA -200 1 DRUM UNIT B 1

    19 40LA R702 00 DRUM SHAFT ASSY D 1

    20 26NA 2136 0 DRUM SUPPORT SHAFT HOLDER C 1

    21 40LA 2094 0 DRUM SUPPORT PART C 1

    22 26NA 2144 0 CARTRIDGE SCREW C 1

    23 26NA R704 00 DEVELOPING ELECTRIFY COMBINED C 1

    24 3920 4526 0 ELECTRODE CONNECTING SPRING B C 3

    25 40AA 7319 1 CHARGING INPUT SPRING C 2

    26 40LA -221 0 CHARGE POWERING /A CAULKING D 1

    27 40LA -222 0 CHARGE POWERING /B CAULKING D 1

    Page. 17

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    DRUM CARTRIDGE

    P 18

    IDCS

    a

    a

    b

    b

    c

    c

    d

    e

    f

    g

    g8

    9

    1

    2

    3

    4

    5

    6

    7

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    bizhub 421

    DRUM CARTRIDGEKey Part No. Description Destinations Class QTY Standard parts

    1 40LA 2167 0 ELECTRODE PRESSING SPRING C 1 a-V151 0310 03b-V151 0312 03c-V121 0306 03d-V121 0304 04e-V123 0306 03f-V121 0304 03g-V151 0308 03

    2 26NA 2048 0 DRUM SHAFT HOLDER F C 1

    3 26NA 2025 0F Shaft holder Support Part D 1

    4 26NA R703 00 BLADE SEAL BLOCK R ASSY B 1

    5 26NA R706 00 BLADE SEAL BLOCK 2 ASSY B 1

    6 26NA -918 2E TONER DETECTED BOARD ASSY C 1

    7 26NA 2095 0 WIRING GUIDE PART D 1

    8 26NA 2020 0 TONER GUIDE SHEET C 1

    9 26NA 2133 0 MOUNTING SHEET B D 1

    Page. 18

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    DRUM CARTRIDGE

    P 19

    a

    a

    b

    b

    c

    d

    e

    f

    g

    g

    h

    h

    i

    i

    i

    8

    9

    10

    1 2

    3

    4

    5

    6

    7

    18

    19

    19

    19

    20

    1112

    13

    14

    15

    16

    16

    17

    21

    22

    23

    23

    2425

    26

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    bizhub 421

    DRUM CARTRIDGEKey Part No. Description Destinations Class QTY Standard parts

    1 26NA 2092 0 SHAFT FIXED PART C 1 a-V121 0306 03b-V151 0310 03c-V217 0400 50d-V147 0308 03e-V217 0200 50f-V151 0308 03g-V221 0300 50h-V217 0250 50i-V217 0300 50

    2 26NA 2057 0 SEPARATION ROCKING GEAR 18T C 1

    3 40LA 2005 0 ELECTRODE GUIDE PART /FRONT D 1

    4 26NA 2076 0D Transfer Power supply Plate C 1

    5 26NA 2042 0 IDLER GEAR 25T C 1

    6 40LA -215 1 PANEL /FRONT CAULKING D 1

    7 26NA 2038 0 ROCKING SHAFT HOLDER C 1

    8 50GA -217 0 COLLECTING COVER ASSY D 1

    9 26NA 2107 0 COLLECTING SEAL C 1

    10 26NA 2037 0D Collection Spring C 1

    11 26NA 2086 0D Collection Cover /B C 112 26TA 2088 1 CLEANER FIXING PART D 1

    13 26NA 2087 0 CLEANER AUXILIARY PART C 1

    14 50GA -205 0 SCREW GUIDE PART/REAR ASSY C 1

    15 26TA 2053 1 SCREW GUIDE PART /REAR D 1

    16 26TA 2154 0 RECYCLING SHAFT HOLDER C 2

    17 26TA -235 0 RECYCLING SHAFT/1 ASSY D 1

    18 26TA -236 0 RECYCLING SHAFT/2 ASSY D 1

    19 26NA 2128 0 SCREW SHAFT HOLDER B C 3

    20 26TA 2161 1 SPEWING PV SHEET B C 1

    21 26TA R701 00 COLLECT COVER C ASSY D 1

    22 26TA -237 1 DRIVE SUPPORT PANEL/1 CAULKING D 1

    23 26TA 2149 0 TONER CONVEYANCE GEAR 4 13T C 2

    24 26TA 2148 0 TONER CONVEYANCE GEAR 3 16T C 1

    25 26TA 2147 0 TONER CONVEYANCE GEAR 2 18T C 1

    26 26TA 2146 0 TONER CONVEYANCE GEAR 1 19T C 1

    Page. 19

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    DRUM CARTRIDGE

    P 20

    a

    b

    b

    c

    d

    e

    e

    e

    e

    f

    89

    9

    9

    101

    1

    2

    3 4

    5

    6

    7

    11

    12

    13

    13

    14

    15 16

    17bizhub 421

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    bizhub 421

    DRUM CARTRIDGEKey Part No. Description Destinations Class QTY Standard parts

    1 40LA 2019 0 BLADE PRESSURE SPRING C 2 a-V121 0304 04b-V118 0304 03c-V111 0202 03d-V151 0308 03e-V217 0300 50f-V151 0312 03

    2 40LA 2036 0E Cartridge Reinforce Part D 1

    3 50GA 2007 0 TONER COLLECTION SCREW D 1

    4 26NA 2058 0 SEPARATION ROCKING CAM C 1

    5 40LA 2034 0D Cartridge Rail D 1

    6 26TA 2151 0 AGITATOR PLATE A D 1

    7 26NA 2022 0 CLEANER COLLECT SEAL C 1

    8 26NA 2116 0 SHAFT HOLDER SPACER C 1

    9 26NA 2014 0 SCREW SHAFT HOLDER C 3

    10 26NA 2056 0 TONER COLLECT COUPLING B 1

    11 26NA 2055 3 TONER AGITATE SHAFT D 112 50GA -209 0 DRUM CLEANING BLADE ASSY A 1

    13 26NA 2071 0 FELT A C 2

    14 26NA 2016 0 SCREW GEAR 24T C 1

    15 26NA 2017 0 AGITATING GEAR 19T 30T C 1

    16 40LA R701 00 BLADE SEAL BLOCK F ASSY B 1

    17 40LA R703 00 BLADE SEAL BLOCK 1 ASSY B 1

    Page. 20

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    CHARGING UNIT

    P 21

    EL

    A

    A

    b

    a

    b

    b

    8

    8

    9

    9

    10

    1

    2

    3

    4

    5

    6

    7

    11

    1112

    13

    1415

    16

    17

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    bizhub 421

    CHARGING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA -250 0 CHARGE CORONA UNIT B 1 a-V226 0300 50b-V151 0306 032 25HA 2510 0 SHAFT STOPPER PART B 1

    3 40LA 2519 0 CHARGE CLEANIG KNOB C 1

    4 40LA 2501 1 CHARGING BLOCK REAR C 1

    5 40LA 2505 0 SPARK ARRESTER PREVENTIVE PLATE REAR B 1

    6 40LA 2516 0 CHARGING CONTROL PLATE B 1

    7 40LA R704 00 CHARGING CLEANING ASSY C 1

    8 50GA 2506 0 CHARGING WIRE C 2

    9 26NA 2518 0 CHARGING SPRING B 2

    10 40LA 2507 0 CHARGING ELECTRODE PLATE C 1

    11 26NA 2517 0 WIRE TENSION SPRING B 212 40LA 2504 0 SPARK ARRESTER PREVENTIVE PLATE FRONT B 1

    13 40LA 2502 0 CHARGING BLOCK FRONT C 1

    14 26NA 4549 0 LIFTING SPRING 2 C 1

    15 40LA 2520 0 CHARGING CLEANING HANDLE C 1

    16 50GA -251 0 CHARGE DISCHARGING PLATE ASSY C 1

    17 50GA 2509 0 CHARGING CLEANING SHAFT C 1

    Page. 21

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    TRANSFER SEPARATOR CORONA UNIT

    P 22

    a

    a

    b

    c8

    9

    910

    1

    2

    3

    3

    4

    4

    5

    5

    6

    7

    11

    12

    13

    bizhub 421

    S S O CO O 22

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    bizhub 421

    TRANSFER SEPARATOR CORONA UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA -260 0 TRANSFER SEPARATING CORONA UNIT A 1 a-V151 0308 03b-V123 0306 03c-V145 2606 03

    2 50GA 2619 1E SEPARATION BRIDGE C 1

    3 26NA 2608 0 DISCHARGE WIRE A 2

    4 56AA 1783 0 TRANSFER HOLDING RUBBER A 2

    5 26NA 2623 0 WIRE TENSION SPRING B 2

    6 50GA 2607 0F SPARK PREVENTING PLATE /REAR C 1

    7 50GA 2604 0 TRANSFER SEPARATOR BLOCK REAR C 1

    8 50GA -261 0 TRANSFER GUIDE PLATE ASSY C 1

    9 26NA 7325 1 ELECTRODE CONNECTING SPRING A B 2

    10 50GA -262 0 TRANSFER SEPARATOR BLOCK FRONT ASSY C 1

    11 26NA 2625 0 ELECTRODE PLATE D 112 26NA 2626 0 ELECTRODE SPRING B 1

    13 50GA 2606 0E SPARK PREVENTING PLATE /FRONT C 1

    Page. 22

    DEVELOPING UNIT

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    DEVELOPING UNIT

    P 23

    TCRS

    See Page.64

    a b

    c

    c

    8

    9

    10

    1

    2

    3

    4

    5

    5

    5

    5

    6

    6

    7

    7

    bizhub 421

    DEVELOPING UNIT P 23

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    bizhub 421

    DEVELOPING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 26NA 3049 0 DEVELOPING ELECTRODE COVER D 1 a-V121 0306 03b-V118 0306 03c-V151 0306 03

    2 26NA 3047 0 DEVELOPING ELECTRODE STAY D 1

    3 26NA R708 00 DEVELOPING COVER PART A ASSY C 1

    4 26NA 3072 0 SCATTER PREVENTING SHEET 4 C 1

    5 50GA 3161 0 DEVELOPING SUCTION SEAL C C 4

    6 50GA 3160 0 DEVELOPING SUCTION SEAL B C 2

    7 50GA 3157 0 SCATTER PREVENTING SHEET /A C 2

    8 26NA 3045 0 SCATTER PREVENTING SHEET 3 C 1

    9 0294 2064 0 L DETECTING SEAL C 1

    10 26NA 8804 1 TONER DENSITY SENSOR B 1

    Page. 23

    DEVELOPING UNIT

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    DEVELOPING UNIT

    P 24

    See P23- ALLP24- ALL

    b

    b

    c

    c

    c

    cc

    c

    c

    d

    e

    f

    gg

    h

    ii

    m

    m

    m

    m

    k

    89

    10

    1

    1

    2

    22

    3

    3

    3

    3

    3

    3

    4

    4

    4

    4

    4

    4

    5

    6

    7

    a

    18

    19

    11

    12

    1314

    15

    16

    17

    27

    28

    29

    20

    20

    21

    22

    23

    242526

    303132

    bizhub 421

    DEVELOPING UNIT Page 24

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    bizhub 421

    DEVELOPING UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 3015 0 AGITATING GEAR B 20T B 2 a-V121 0306 04b-V217 0500 50c-V217 0400 50d-V217 0300 50e-V221 0300 50f-V151 0306 03g-V217 0600 50h-V207 0600 03i-V123 0306 03k-V151 0308 03m-V121 0306 03

    2 4660 7801 0 PIN A D2X10 B 3

    3 26NA 3085 0 SHAFT HOLDER SPACER C 6

    4 26NA 3077 0 DEVELOPING SHAFT HOLDER B 6

    5 26NA 3094 0 DEVELOPING SEAL S C 1

    6 50GA 3014 0 AGITATING GEAR A 22T B 1

    7 26TA R702 00 DEVELOPING COVER ASSY C 1

    8 26NA 3009 0 DEVELOPING COVER PART /B D 1

    9 26NA 3096 0 SPACER C C 1

    10 26NA 3095 0 AGITATE COUPLING A C 1

    11 26NA 3073 0 AGITATE COUPLING B 112 26NA R707 00 DEVELOPING COVER PART C ASSY D 1

    13 26NA 3070 0 DEVELOPING GEAR C 1

    14 1136 2060 0 PIN A C 1

    15 26NA 3066 0 BALL BEARING C 1

    16 26NA 3065 0 DEVELOPING SHAFT HOLDER REAR C 1

    17 26NA 3044 0 SPEWING PREVENTIVE SHEET 2 D 1

    18 50GA -300 1 DEVELOPING UNIT B 1

    19 26NA 3084 0 DEVELOPING BLOCK D 1

    20 50GA 3018 0 IDLING GEAR 2 15T B 2

    21 26NA 2136 0 DRUM SUPPORT SHAFT HOLDER C 1

    22 26NA 3036 0 DEVELOPING CONNECTING PLATE D 1

    23 26NA 3063 0 DEVELOPING SHAFT HOLDER FRONT C 1

    24 26NA 3021 1G Magnet Adjusting Plate D 1

    25 26NA 3086 0 SHAFT HOLDER FULCRUM PART C 1

    26 50GA 3017 0 IDLING GEAR 1 15T B 1

    27 26NA 3093 0 DEVELOPING SUPPORT STOPPER D 1

    28 26NA 3075 0 DEVELOPING ADJUSTING CAM FRONT D 1

    29 50GA -307 0E DEVELOPING STAY CAULKING D 1

    30 26NA 3101 0 POSITIONING SCREW C 1

    31 50GA -304 0 DEVELOPING COVER ASSY C 1

    32 56UA 9792 0 HIGE VOLTAGE CAUTION LABEL C 1

    Page. 24

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    P 25

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    TONER SUPPLY UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA -322 1 TONER SUPPLY MAIN/UPPER ASSY C 1 a-V217 0500 50b-V121 0304 03c-V122 0304 03d-V151 0306 03e-V217 0400 50f-V217 0300 50

    2 50GA 3271 0 LOCK ARM C 1

    3 50GA 3272 0 LOCK SPRING C 1

    4 26NA 3268 0 TONER CONVEYANCE GEAR 5 16T 23T C 1

    5 26NA 8006 1 TONER SUPPLY MOTOR B 2

    6 26NA 3266 0 TONER SUPPLY SHAFT HOLDER C 1

    7 26TA 3258 0 TONER SUPPLY REGULATING GEAR 18T C 1

    8 26TA 3264 0 TONER SUPPLY GEAR 2 16T 51T C 1

    9 50GA -323 0 TONER CONVEYING DRIVE ASSY C 1

    10 26TA 3261 0 TONER SUPPLY GEAR 1 23T 51T C 1

    11 26NA 8251 3 PAPER FEED SOLENOID C 112 26NA 3259 0 TONER SUPPLY REGULATING GEAR 42T C 1

    13 26NA 3294 0 TONER SUPPLY SEAL 4 D 1

    14 26NA 3242 0 TONER SUPPLY SEAL/REAR C 1

    15 26NA 3295 0 TONER SUPPLY HOLDING SEAL /A C 1

    16 26NA 3231 1E TONER SUPPLY HOLDING MAIN BODY D 1

    Page. 25

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    P 26

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    TONER SUPPLY UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA -320 1 TONER SUPPLY UNIT I 1 a-V217 0400 50b-V151 0308 03c-V221 0400 50

    2 50GA 3252 0 TONER CONVEYANCE GEAR 3 20T 25T C 1

    3 50GA 3323 0E TONER SUPPLY DRIVE CAM C 1

    4 50GA 3270 0 STOPPER SPRING C 1

    5 50GA 3253 0 TONER CONVEYANCE GEAR 4 27T C 1

    6 25HA 3215 2 TONER CONVEYANCE SHAFT HOLDER A C 1

    7 26NA 3296 0 FELT C C 1

    8 50GA 3251 0 TONER SUPPLY REGULATING GEAR 21T C 1

    9 26NA 3256 0 TONER AGITATE SHAFT HOLDER LEFT C 1

    10 40LA 3227 0 SCREW SEAL PART MIDDLE D 1

    11 50GA 3322 0 SPRING REGULATING PART A C 112 40LA R706 00 AGITATE SCREW ASSY D 1

    13 26NA 3297 0 PIN C 1

    14 26NA 3204 0 TONER SUPPLY SCREW C 1

    15 26NA 3293 0 TONER SUPPLY SEAL 3 C 2

    16 26NA 3291 0 TONER SUPPLY SEAL 1 C 1

    17 26NA 3292 0 TONER SUPPLY SEAL 2 C 1

    18 26TA 3301 0 TONER AGITATE SHEET FRONT C 1

    19 40AA 8803 1 LEVEL DETECTION SENSOR C 1

    20 50GA 3208 0 TONER SUPPLY OPEN CLOSE PLATE D 1

    21 26NA 3228 0 SCREW SEAL PART UPPER C 1

    22 26NA 3254 0 TONER AGITATE SHAFT HOLDER C 1

    23 26NA 3220 0 SCREW SEAL PART LOWER C 1

    24 26NA 3255 0 TONER AGITATE SHAFT HOLDER RIGHT C 1

    25 26NA 3209 0 TONER SUPPLY OPEN CLOSE SPRING B 1

    26 26NA 3290 0 SPEWING PREVENTIVE SPACER C 1

    27 26NA 3230 0 TONER SUPPLY OPEN CLOSE SHEET C 1

    28 26NA 3243 0 TONER SUPPLY OPEN CLOSE COVER C 1

    29 26NA 3269 0 TONER AGITATING SHAFT /2 D 1

    Page. 26

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    P 27

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    TONER SUPPLY UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA -332 1 TONER CARTRIDGE PRESSING ASSY C 1 a-V217 0300 50b-V151 0308 03c-00Z6 1042 1d-V151 0410 03e-V121 0306 03

    2 26TA 3296 0 CARTRIDGE REGULATING PLATE C 1

    3 26TA 3297 0 CARTRIDGE REGULATING SPRING C 2

    4 26TA 3299 0 COVER PART C 1

    5 50GA -334 1 TONER SUPPLY GUIDE PART ASSY C 1

    6 26TA 3298 0 CARTRIDGE PRESSING SPRING 3 C 2

    7 50GA -333 0 PRESSING ASSY C 1

    8 50GA 3285 1 CARTRIDGE PRESSING HANDLE C 1

    9 26NA 3287 0 CARTRIDGE PRESSING SPRING 2 C 1

    10 50GA 3312 0 CARTRIDGE PRESSING HANDLE B C 1

    11 50GA 3282 2F Cartridge Pressing Pedestal C 112 50GA 3311 0 TONER SUPPLY SUPPORT SHAFT D 1

    13 50GA 3326 0 TONER SUPPLY OPEN CLOSE SPRING C 1

    14 50GA 3310 0 TONER SUPPLY SUPPORT PLATE D 1

    Page. 27

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    P 28

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    1

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    TONER SUPPLY UNITKey Part No. Description Destinations Class QTY Standard parts

    1 50GA 3308 0E TONER SUPPLY PULLING LEVER C 1 a-V151 0308 03b-V118 0304 03c-V121 0306 03

    2 50GA 3210 2I Toner supply Guide Plate /Lower C 1

    3 50GA 3318 2 TONER SUPPLY AUXILIARY COVER B C 1

    4 50GA 3315 2F Toner supply Index Part A C 1

    4 50GE 3315 2F Toner supply Index Part B,G2 C 1

    4 50GF 3315 2F Toner supply Index Part C,D1,D3,E,F2,G1,I,K C 1

    5 50GA 3306 0E TONER SUPPLY AUXILIARY COVER C 1

    6 50GA 3309 1E LEVER MOUNTING PLATE C 1

    7 50GA 3304 0 TONER SUPPLY GUIDE RAIL /MIDDL D 2

    8 50GA 3319 0 MOUNTING PLATE /A D 2

    9 50GA -337 0 MOUNTING PART /A ASSY C 210 50GA 3321 0 REGULATING SEAL A C 2

    11 50GA 3332 0 SCATTER PREVENTING SEAL B C 2

    Page. 28

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    P 29

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    PS28

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    Key Part No. Description Destinations Class QTY Standard parts

    1 50GA 3303 0 TONER SUPPLY GUIDE RAIL/LEFT D 1 a-V121 0304 03b-V151 0308 032 50GA 3324 0 CORD MOUNTING PLATE/1 D 1

    3 9335 1300 61 PHOTO INTERRUPTER B 2

    4 50GA 3307 1 MOUNTING PLATE C 1

    5 50GA 3317 0E SLIDE SPRING /A C 2

    6 50GA 3223 0 DETECTION ACTUATOR C 1

    7 4470 4024 01 STOPPER D 1

    8 50GA 3316 1E MOUNTING PLATE /B C 1

    9 50GA 3333 0 SCATTER PREVENTING SEAL C C 1

    10 50GA 3314 0 RAIL/LEFT D 1

    11 50GA 3325 0 TONER SUPPLY EARTH PLATE 1 C 112 50GA 3302 0 TONER SUPPLY GUIDE RAIL/RIGHT D 1

    13 50GA 3313 0 COOLING COVER E C 1

    14 50GA -336 0 FILTER MOUNTING PLATE ASSY A 1

    15 50GA 3305 0E TONER SUPPLY PROTECTION PART D 1

    16 50GA 3211 1F TONER SUPPLY GUIDE PLATE /UPPER C 1

    g

    DEVELOPING SUCTION UNIT

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    P 30

    a

    a

    b

    c

    d

    e

    e

    1

    2

    3

    4

    5

    6

    6

    7

    7

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    bizhub 421

    Key Part No. Description Destinations Class QTY Standard parts

    1 A0R5 R701 00 Filter Cover ASSY A 1 a-V121 0306 03b-V151 0308 03c-V137 0308 03d-V144 0306 03e-V144 0308 03

    2 40LA R705 00 SUCTION FILTER A ASSY A 1

    3 50GA -313 0 SUCTION COVER 6 ASSY D 1

    4 50GA -315 0 FAN